<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <el-row :gutter="10">
        <el-col :span="10">
          <!-- 搜索与添加区域 -->
          <el-input placeholder="请输入内容" clearable v-model="queryInfo.query" @clear="getUserList"
            suffix-icon="el-icon-search" />
        </el-col>
        <el-col :span="6">
          <!-- 添加用户区域 -->
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table :data="tableData" style="width: 100%">
        <el-table-column prop="date" label="日期" width="180">
        </el-table-column>
        <el-table-column prop="name" label="姓名" width="180">
        </el-table-column>
        <el-table-column prop="address" label="地址">
        </el-table-column>
        <el-table-column fixed="right" label="操作" width="100">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" circle size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" circle size="mini"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <div class="block">
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
          :current-page="currentPage4" :page-sizes="[100, 200, 300, 400]" :page-size="100"
          layout="total, sizes, prev, pager, next" :total="400">
        </el-pagination>
      </div>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDislogClosed">
      <!-- 内容主题区域 -->
      <el-form label-width="70px" ref="addFormRef" :model="addForm" :rules="addFormRules">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户信息对话框 -->
    <el-dialog title="修改用户" @close="aditClosed" :visible.sync="editDialogVisble" width="50%">
      <el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisble = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    name: 'UserList',
    data() {
      return {
        tableData: [{
          date: '2016-05-02',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
        }, {
          date: '2016-05-04',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1517 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-03',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1516 弄'
        }],
        // 获取用户列表的参数对象
        queryInfo: {
          // 搜索值
          query: '',
          // 当前的页数
          pagenum: 1,
          // 当前每次显示多少条数据
          pagesize: 5
        },
        // 存放用户的数据和数量
        userData: {
          userList: [],
          total: 0
        },
        // 控制用户对话框的显示和隐藏
        addDialogVisible: false,
        // 添加用户数据的对象
        addForm: {
          username: '',
          password: '',
          email: '',
          mobile: ''
        },
        // 修改用户消息对话框显示和隐藏
        editDialogVisble: false,
        // 控制分配角色对话框的显示和隐藏
        setRolesDialogVisible: false,
        // 需要被分配角色的用户信息
        userInfo: {},
        // 分配角色列表
        rolesList: [],
        // 保存已经选中的角色id值
        selectRoleId: '',
        // 查询用户的对象
        editForm: {}
      }
    },
    created() {
      // this.getUserList()
    },
    methods: {
      async getUserList() {
        const {
          data: res
        } = await this.$http.get('users', {
          params: this.queryInfo
        })
        if (res.meta.status !== 200) {
          this.$message.error('获取用户列表失败!')
        }
        this.$message.success('获取用户列表成功!')
        this.userData.userList = res.data.users
        this.userData.total = res.data.total
        // console.log(res)
      },
      // 监听 pagesize 改变事件 每页显示的个数
      handleSizeChange(newSize) {
        // console.log(newSize)
        this.queryInfo.pagesize = newSize
        this.getUserList()
      },
      // 监听 页码值 改变的事件 当前页面值
      handleCurrentChange(newPage) {
        console.log(newPage)
        this.queryInfo.pagenum = newPage
        this.getUserList()
      },
      // 监听Switch状态的改变
      async userStatuChanged(userInfo) {
        // console.log(userInfo)
        const {
          data: res
        } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
        if (res.meta.status !== 200) {
          userInfo.mg_state = !userInfo.mg_state
          return this.$message.error('更新用户状态失败!')
        }
        return this.$message.success('更新用户状态成功!')
      },
      // 监听添加用户的对话框关闭事件
      addDislogClosed() {
        this.$refs.addFormRef.resetFields()
      },
      // 点击按钮,添加新用户
      addUser() {
        this.$refs.addFormRef.validate(async valid => {
          console.log(valid)
          if (!valid) return
          // 可以发起添加用户请求
          const {
            data: res
          } = await this.$http.post('users', this.addForm)
          if (res.meta.status !== 201) {
            return this.$message.error('用户添加失败了~')
          }
          // 隐藏添加用户的对话框
          this.addDialogVisible = false
          // 添加成后重新获取用户数据,不需要用户手动刷新
          this.getUserList()
          return this.$message.success('用户添加成功了~')
        })
      },
      // 展示编辑用于的对话框
      async showEditDialog(id) {
        const {
          data: res
        } = await this.$http.get('users/' + id)
        if (res.meta.status !== 200) {
          return this.$message.error('查询用户数据失败~')
        }
        this.editForm = res.data
        console.log(res)
        this.editDialogVisble = true
        return this.$message.success('查询用户数据成功~')
      },
      // 监听修改用户对话框的关闭事件
      aditClosed() {
        this.$refs.editFormRef.resetFields()
      },
      editUserInfo() {
        this.$refs.editFormRef.validate(async valid => {
          console.log(valid)
          if (!valid) return
          // 发起修改用户信息的数据请求
          const {
            data: res
          } = await this.$http.put('users/' + this.editForm.id, {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          })
          if (res.meta.status !== 200) {
            this.$message.error('更新用户信息失败!')
          }
          this.editDialogVisble = false
          this.getUserList()
          this.$message.success('更新用户信息成功!')
        })
      },
      // 根据id删除对应的用户信息
      async removeUserById(id) {
        // 询问用户是否删除用户
        const confirmRusult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '永久删除该用户', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        console.log(confirmRusult)
        // 用户点击了删除,则返回字符串 confirm
        // 用户取消了删除,则返回字符串 cancel
        if (confirmRusult !== 'confirm') {
          return this.$message.info('已经取消了删除')
        }
        this.$http.delete('users/' + id).then(res => {
          const {
            data: response
          } = res
          console.log(response)
          if (response.meta.status !== 200) {
            return this.$message.error('该用户删除失败')
          }
          this.$message.success('该用户已经删除')
          this.getUserList()
        })
      }
    }
  }
</script>

<style scoped>
  .el-card {
    margin-top: 15px;
  }

  .block {
    margin-top: 10px;
  }
</style>
